[RFC] Create a Qml ImageProvider plugin for icons.

[ricardomv]

Would this work for us? i think it would be a bit more efficient having C++ code providing the icons instead of a javascript function / look up table. And maybe we can also discuss moving icons to a separate repository.

QQuickImageProvider
QML Plugin Example

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[marco-piccolino]

+1 for image provider and separate repo

[iBelieve]

We'd have to include a couple icons directly in qml-material (specifically, the back icon and the nav drawer icon), but I'm definitely up for moving icons to separate repository. We could even write a tool that takes some sort of file (maybe just a simple list) and imports icons into your project.

[ricardomv]

I have some code for this i can create a branch later today

[iBelieve]

@ricardomv that would be great, thanks 👍

[iBelieve]

@ricardomv In #396, I've implemented using a icons.yml file, a downloader script, and QRC files. With that support, do you still think an image provider would be useful? I'm not sure if it would give use any benefits over directly accessing the QRC resources.

[ricardomv]

Using a qrc file would mean the icons would be bundled in the binary making it a big file and increasing loading time, that's why an ImageProvider is a better solution because it only loads the icons as they are needed.

[ricardomv]

The code for the image provider is very simple the only problem is the way we currently load icons is a bit messy sometimes we set the source sometimes the iconName property we need to have a standard way pick icons, i don't whats the standard way to do this in qt.
My implementation is in PR #362

[oKcerG]

In your PR, the icons need to be installed system wide, that's not something that can be done for all platforms (on mobile for examples).
The current way of doing (script + qrc ) is cross platform and only add size for icons actually used in the app.